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Note B - Summary of Significant Accounting Policies (Tables)
12 Months Ended
Apr. 30, 2016
Notes Tables  
Property, Plant, and Equipment Useful Life [Table Text Block]
Furniture, fixtures and equipment (years)
3
to 7
Leasehold improvements
(years)
5
to 15
Buildings and improvements (years)
18
to 39
Revenue from External Customers by Products and Services [Table Text Block]
  Years Ended April 30,
(In thousands)   2016   2015   2014
Sales – used autos   $ 436,080     $ 416,060     $ 385,672  
Wholesales – third party     24,917       19,961       18,886  
Service contract sales     27,323       19,758       15,833  
Payment protection plan revenue     18,197       16,790       14,113  
                         
Total   $ 506,517     $ 472,569     $ 434,504